Home / 12,194.36-16,817.68-7,943.81

Finding the Fourth Proportional to 12,194.36, 16,817.68 and 7,943.81

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Solution

The fourth proportional to 12,194.36, 16,817.68 and 7,943.81 is: 10,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.36 : 16,817.68 = 7,943.81 : x
  2. Step 2: Convert to fraction form
    12,194.36/16,817.68 = 7,943.81/x
  3. Step 3: Cross multiply
    12,194.36x = 16,817.68 × 7,943.81
  4. Step 4: Simplify right side
    12,194.36x = 133,596,476.75
  5. Step 5: Solve for x
    x = 133,596,476.75/12,194.36
  6. Step 6: Final answer
    x = 10,955.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.